aphids

简明释义

英[ˈeɪ.fɪdz]美[ˈeɪ.fɪdz]

n. 蚜虫类（aphid 的复数）

英英释义

单词用法

同义词

反义词

例句

1.Ladybugs lay their eggs in clusters or rows on the underside of a leaf, usually where aphids have gathered.

瓢虫在树叶的背面成片或成排的产卵，通常也是蚜虫聚集的地方。

2.Aphids do fatal damage to the young shoots.

蚜虫对幼苗会造成极大危害。

3.In 2000 no aphids had a particular resistance mechanism called mace.

在2000年，没有蚜虫出现一种耐药机制，称为权杖。

4.I bound the base of the tree with sticky tape, making it impossible for the ants to reach the aphids.

我用一条胶带把桃树底部包上，不让蚂蚁接近蚜虫。

5.Disease: Aphids, mealy bugs, powdery mildew, fungal leaf spot, stem and root rot if over watered.

病虫害：蚜虫，介壳虫，白粉病，真菌叶斑病，如果超过浇水可患茎、根腐病。

6.The aphids essentially stole the fungi's microbial genes. It's what scientists call lateral gene transfer.

蚜虫基本上偷走了真菌的微生物的基因。

7.Just as some ants farm the bugs called aphids for the honeydew they produce when they feed, so Google farms us for the data that our digital lives yield.

就像一些蚂蚁养殖一种叫做蚜虫的小虫，以获取它们进食时产生的蜜露一样，谷歌为了获取我们数字生活中产生的数据而“养殖”我们。

8.She checked the underside of the leaves for aphids before applying any pesticides.

在施用任何杀虫剂之前，她检查了叶子的背面是否有蚜虫。

9.Using insecticidal soap can help eliminate aphids without harming beneficial insects.

使用杀虫肥皂可以帮助消灭蚜虫，而不会伤害有益昆虫。

10.To control the population of aphids, she introduced ladybugs into her garden.

为了控制蚜虫的数量，她在花园里引入了瓢虫。

11.The farmer noticed that the leaves of his crops were curling due to aphids feeding on them.

农民注意到他的作物叶子因蚜虫进食而卷曲。

12.The garden was infested with aphids, making it difficult for the plants to thrive.

花园里感染了蚜虫，使植物难以生长。

作文

Aphids are small, soft-bodied insects that belong to the superfamily Aphidoidea. These creatures are commonly found on plants, where they feed on the sap by piercing the plant's tissues with their specialized mouthparts. The presence of aphids (蚜虫) can be detrimental to both garden and agricultural crops, as they not only weaken plants but also transmit various plant viruses. In this essay, I will discuss the characteristics of aphids (蚜虫), their life cycle, and the impact they have on the ecosystem.Firstly, aphids (蚜虫) come in various colors, including green, black, brown, yellow, and even pink. Their size typically ranges from 1 to 10 millimeters in length. One of the most fascinating aspects of aphids (蚜虫) is their reproductive strategy. Under favorable conditions, they can reproduce asexually through a process known as parthenogenesis, producing live young without mating. This allows aphids (蚜虫) to rapidly increase their population in a short amount of time, which can lead to severe infestations.The life cycle of aphids (蚜虫) consists of several stages: egg, nymph, and adult. Female aphids (蚜虫) lay eggs during the winter, which hatch into nymphs in the spring. Nymphs undergo several molts before maturing into adults. Depending on the environmental conditions, aphids (蚜虫) can produce multiple generations in a single growing season. This high reproductive rate is one reason why controlling aphids (蚜虫) can be challenging for gardeners and farmers alike.Moreover, aphids (蚜虫) are known for their symbiotic relationship with ants. Ants are attracted to the sugary honeydew that aphids (蚜虫) excrete as they feed on plant sap. In return for this sweet substance, ants protect aphids (蚜虫) from predators and parasites. This mutualistic relationship can further exacerbate the problem of aphids (蚜虫) infestations, as ants will actively farm them, ensuring their survival and proliferation.The damage caused by aphids (蚜虫) goes beyond just weakening plants. They can cause leaves to curl, yellow, and drop prematurely. Additionally, their feeding can create openings for pathogens to enter the plant, leading to diseases. Some species of aphids (蚜虫) are also vectors for viruses that can devastate crops, making them a significant concern for agriculture.To manage aphids (蚜虫), various methods can be employed. Biological control, such as introducing natural predators like ladybugs or lacewings, can help keep aphids (蚜虫) populations in check. Insecticidal soaps and neem oil are also effective treatments that target aphids (蚜虫) without harming beneficial insects. Furthermore, encouraging biodiversity in gardens can attract these natural predators and reduce reliance on chemical controls.In conclusion, aphids (蚜虫) are tiny yet impactful insects that play a significant role in the ecosystem. Their ability to reproduce rapidly and form symbiotic relationships with ants makes them formidable pests for plants. Understanding the biology and behavior of aphids (蚜虫) is crucial for effective management strategies in both gardening and agriculture. By employing integrated pest management practices, we can mitigate the negative effects of aphids (蚜虫) while promoting a healthy and balanced ecosystem.

蚜虫是小型、柔软的昆虫，属于蚜科（Aphidoidea）。这些生物通常栖息在植物上，通过用特殊的口器刺穿植物组织来吸取植物的汁液。蚜虫（蚜虫）的存在对花园和农业作物都可能造成不利影响，因为它们不仅削弱植物，而且还传播各种植物病毒。在这篇文章中，我将讨论蚜虫（蚜虫）的特征、生命周期以及它们对生态系统的影响。首先，蚜虫（蚜虫）有多种颜色，包括绿色、黑色、棕色、黄色甚至粉色。它们的大小通常在1到10毫米之间。蚜虫（蚜虫）最引人注目的一个方面是它们的繁殖策略。在有利的条件下，它们可以通过一种称为孤雌生殖的过程进行无性繁殖，生产出不需要交配的活幼虫。这使得蚜虫（蚜虫）能够在短时间内迅速增加其种群数量，从而导致严重的虫害。蚜虫（蚜虫）的生命周期包括几个阶段：卵、若虫和成虫。雌性蚜虫（蚜虫）在冬季产卵，春季孵化成若虫。若虫经历几次蜕皮后成熟为成虫。根据环境条件的不同，蚜虫（蚜虫）在一个生长季节内可以产生多个世代。这种高繁殖率是控制蚜虫（蚜虫）对园丁和农民来说具有挑战性的原因之一。此外，蚜虫（蚜虫）以与蚂蚁的共生关系而闻名。蚂蚁被蚜虫（蚜虫）在吸食植物汁液时排出的甜蜜露所吸引。为了获得这种甜美的物质，蚂蚁保护蚜虫（蚜虫）免受捕食者和寄生虫的侵害。这种互利关系进一步加剧了蚜虫（蚜虫）虫害问题，因为蚂蚁会积极“养殖”它们，确保它们的生存和繁殖。蚜虫（蚜虫）造成的损害不仅仅是削弱植物。它们会导致叶子卷曲、变黄并提前脱落。此外，它们的取食会为病原体进入植物创造机会，从而导致疾病。一些蚜虫（蚜虫）物种还是传播病毒的媒介，这些病毒可能会对作物造成毁灭性影响，使它们成为农业中的重大关注点。为了管理蚜虫（蚜虫），可以采用多种方法。生物防治，例如引入天敌如瓢虫或蕾丝虫，可以帮助控制蚜虫（蚜虫）种群。昆虫皂和尼姆油也是有效的治疗方法，能够针对蚜虫（蚜虫），而不会对有益昆虫造成伤害。此外，鼓励花园中的生物多样性可以吸引这些自然捕食者，减少对化学控制的依赖。总之，蚜虫（蚜虫）是微小但影响深远的昆虫，在生态系统中扮演着重要角色。它们快速繁殖的能力和与蚂蚁形成共生关系的特性，使它们成为植物的强大害虫。了解蚜虫（蚜虫）的生物学和行为对于有效的管理策略至关重要，无论是在园艺还是农业中。通过采用综合虫害管理实践，我们可以减轻蚜虫（蚜虫）带来的负面影响，同时促进健康和平衡的生态系统。